Add -u/-U options to control the Blackfin L1 stack flag.

Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/flthdr.c b/flthdr.c
index cf6fe4d..90f9aa3 100644 (file)
--- a/flthdr.c
+++ b/flthdr.c
@@ -51,7 +51,7 @@
 char *program_name;
 
 static int print = 0, print_relocs = 0, docompress = 0, ramload = 0,
-           stacksize = 0, ktrace = 0;
+           stacksize = 0, ktrace = 0, l1stack = 0;
 
 /****************************************************************************/
 
@@ -106,6 +106,11 @@ process_file(char *ifile, char *ofile)
        else if (ktrace < 0)
                new_flags &= ~FLAT_FLAG_KTRACE;
        
+       if (l1stack > 0)
+               new_flags |= FLAT_FLAG_L1STK;
+       else if (l1stack < 0)
+               new_flags &= ~FLAT_FLAG_L1STK;
+
        if (stacksize)
                new_stack = stacksize;
 
@@ -139,6 +144,8 @@ process_file(char *ifile, char *ofile)
                                printf("Gzip-Data-Compressed ");
                        if (old_flags & FLAT_FLAG_KTRACE)
                                printf("Kernel-Traced-Load ");
+                       if (old_flags & FLAT_FLAG_L1STK)
+                               printf("L1-Scratch-Stack ");
                        printf(")\n");
                }
 
@@ -317,6 +324,8 @@ usage(char *s)
        fprintf(stderr, "       -R      : do not RAM load\n");
        fprintf(stderr, "       -k      : kernel traced load (for debug)\n");
        fprintf(stderr, "       -K      : normal non-kernel traced load\n");
+       fprintf(stderr, "       -u      : place stack in L1 scratchpad memory\n");
+       fprintf(stderr, "       -U      : place stack in normal SDRAM memory\n");
        fprintf(stderr, "       -s size : stack size\n");
        fprintf(stderr, "       -o file : output-file\n"
                        "                 (default is to modify input file)\n");
@@ -333,7 +342,7 @@ main(int argc, char *argv[])
 
        program_name = argv[0];
 
-       while ((c = getopt(argc, argv, "pPdzZrRkKs:o:")) != EOF) {
+       while ((c = getopt(argc, argv, "pPdzZrRuUkKs:o:")) != EOF) {
                switch (c) {
                case 'p': print = 1;                break;
                case 'P': print_relocs = 1;         break;
@@ -344,6 +353,8 @@ main(int argc, char *argv[])
                case 'R': ramload = -1;             break;
                case 'k': ktrace = 1;               break;
                case 'K': ktrace = -1;              break;
+               case 'u': l1stack = 1;              break;
+               case 'U': l1stack = -1;             break;
                case 'o': ofile = optarg;           break;
                case 's':
                        if (sscanf(optarg, "%i", &stacksize) != 1)